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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
// the miscrosoft platform SDK says that the Unicode versions of
// TextOut and GetTextExtentsPoint32 are supported on all platforms, so we use them
// exclusively to simplify code, save a lot of conversions into the local encoding
// and have generally better unicode support :)
#include "qfont.h"
#include "qfont_p.h"
#include "qfontengine_p.h"
#include "qtextengine_p.h"
#include "qfontmetrics.h"
#include "qfontinfo.h"
#include "qwidget.h"
#include "qpainter.h"
#include <limits.h>
#include "qt_windows.h"
#include <private/qapplication_p.h>
#include "qapplication.h"
#include <private/qunicodetables_p.h>
#include <qfontdatabase.h>
QT_BEGIN_NAMESPACE
extern HDC shared_dc(); // common dc for all fonts
// ### maybe move to qapplication_win
QFont qt_LOGFONTtoQFont(LOGFONT& lf, bool /*scale*/)
{
QString family = QT_WA_INLINE(QString::fromUtf16((ushort*)lf.lfFaceName),
QString::fromLocal8Bit((char*)lf.lfFaceName));
QFont qf(family);
qf.setItalic(lf.lfItalic);
if (lf.lfWeight != FW_DONTCARE) {
int weight;
if (lf.lfWeight < 400)
weight = QFont::Light;
else if (lf.lfWeight < 600)
weight = QFont::Normal;
else if (lf.lfWeight < 700)
weight = QFont::DemiBold;
else if (lf.lfWeight < 800)
weight = QFont::Bold;
else
weight = QFont::Black;
qf.setWeight(weight);
}
int lfh = qAbs(lf.lfHeight);
qf.setPointSizeF(lfh * 72.0 / GetDeviceCaps(shared_dc(),LOGPIXELSY));
qf.setUnderline(false);
qf.setOverline(false);
qf.setStrikeOut(false);
return qf;
}
static inline float pixelSize(const QFontDef &request, int dpi)
{
float pSize;
if (request.pointSize != -1)
pSize = request.pointSize * dpi/ 72.;
else
pSize = request.pixelSize;
return pSize;
}
static inline float pointSize(const QFontDef &fd, int dpi)
{
float pSize;
if (fd.pointSize < 0)
pSize = fd.pixelSize * 72. / ((float)dpi);
else
pSize = fd.pointSize;
return pSize;
}
/*****************************************************************************
QFont member functions
*****************************************************************************/
void QFont::initialize()
{
}
void QFont::cleanup()
{
QFontCache::cleanup();
}
HFONT QFont::handle() const
{
QFontEngine *engine = d->engineForScript(QUnicodeTables::Common);
Q_ASSERT(engine != 0);
if (engine->type() == QFontEngine::Multi)
engine = static_cast<QFontEngineMulti *>(engine)->engine(0);
if (engine->type() == QFontEngine::Win)
return static_cast<QFontEngineWin *>(engine)->hfont;
return 0;
}
QString QFont::rawName() const
{
return family();
}
void QFont::setRawName(const QString &name)
{
setFamily(name);
}
QString QFont::defaultFamily() const
{
switch(d->request.styleHint) {
case QFont::Times:
return QString::fromLatin1("Times New Roman");
case QFont::Courier:
return QString::fromLatin1("Courier New");
case QFont::Decorative:
return QString::fromLatin1("Bookman Old Style");
case QFont::Helvetica:
return QString::fromLatin1("Arial");
case QFont::System:
default:
return QString::fromLatin1("MS Sans Serif");
}
}
QString QFont::lastResortFamily() const
{
return QString::fromLatin1("helvetica");
}
QString QFont::lastResortFont() const
{
return QString::fromLatin1("arial");
}
QT_END_NAMESPACE
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